
//*  金额转大写过滤器
Vue.filter("toChina", function (value) {
   let money = value.toFixed(2);//保留两位小数
   //汉字的数字
   var cnNums = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];
   //基本单位
   var cnIntRadice = ['', '拾', '佰', '仟'];
   //对应整数部分扩展单位
   var cnIntUnits = ['', '万', '亿', '兆'];
   //对应小数部分单位
   var cnDecUnits = ['角', '分', '毫', '厘'];
   //整数金额时后面跟的字符
   var cnInteger = '整';
   //整型完以后的单位
   var cnIntLast = '元';
   //最大处理的数字
   var maxNum = 999999999999999.9999;
   //金额整数部分
   var integerNum;
   //金额小数部分
   var decimalNum;
   //输出的中文金额字符串
   var chineseStr = '';
   //分离金额后用的数组，预定义
   var parts;
   if (money == '') { return ''; }
   money = parseFloat(money);
   if (money >= maxNum) {
      //超出最大处理数字
      return '';
   }
   if (money == 0) {
      chineseStr = cnNums[0] + cnIntLast + cnInteger;
      return chineseStr;
   }
   //转换为字符串
   money = money.toString();
   if (money.indexOf('.') == -1) {
      integerNum = money;
      decimalNum = '';
   } else {
      parts = money.split('.');
      integerNum = parts[0];
      decimalNum = parts[1].substr(0, 4);
   }
   //获取整型部分转换
   if (parseInt(integerNum, 10) > 0) {
      var zeroCount = 0;
      var IntLen = integerNum.length;
      for (var i = 0; i < IntLen; i++) {
         var n = integerNum.substr(i, 1);
         var p = IntLen - i - 1;
         var q = p / 4;
         var m = p % 4;
         if (n == '0') {
            zeroCount++;
         } else {
            if (zeroCount > 0) {
               chineseStr += cnNums[0];
            }
            //归零
            zeroCount = 0;
            chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
         }
         if (m == 0 && zeroCount < 4) {
            chineseStr += cnIntUnits[q];
         }
      }
      chineseStr += cnIntLast;
   }
   //小数部分
   if (decimalNum != '') {
      var decLen = decimalNum.length;
      for (var i = 0; i < decLen; i++) {
         var n = decimalNum.substr(i, 1);
         if (n != '0') {
            chineseStr += cnNums[Number(n)] + cnDecUnits[i];
         }
      }
   }
   if (chineseStr == '') {
      chineseStr += cnNums[0] + cnIntLast + cnInteger;
   } else if (decimalNum == '') {
      chineseStr += cnInteger;
   }
   return chineseStr;
})